Where is Oracle Bone Inscriptions carved?

Oracle Bone Inscriptions is carved on the bones of tortoise shell, which has a bellybutton and a carapace, and bellybutton is mostly used for divination; There are sheep, deer, pigs, tigers and other animal bones, and the animal bones used for divination are mainly the shoulder blades of cattle. Oracle bones for divination must be corrected first, and then holes should be drilled on the back of the corrected flat Oracle bones.

Oracle Bone Inscriptions, China.